Home / 991,757.40-1,487,636.10-991,757.40

Finding the Fourth Proportional to 991,757.40, 1,487,636.10 and 991,757.40

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Solution

The fourth proportional to 991,757.40, 1,487,636.10 and 991,757.40 is: 1,487,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,757.40 : 1,487,636.10 = 991,757.40 : x
  2. Step 2: Convert to fraction form
    991,757.40/1,487,636.10 = 991,757.40/x
  3. Step 3: Cross multiply
    991,757.40x = 1,487,636.10 × 991,757.40
  4. Step 4: Simplify right side
    991,757.40x = 1,475,374,110,682.14
  5. Step 5: Solve for x
    x = 1,475,374,110,682.14/991,757.40
  6. Step 6: Final answer
    x = 1,487,636.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.